section

// Alg 2-section.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
using namespace std;

int* section(int* arr1, int m, int* arr2, int n)
{
    int index = 0;
    int* sectArray = new int [];

    for (int i = 0; i < m; i++)
    {
        for (int j = 0; j < n; j++)
        {
            if (arr1[i] == arr2[j])
            {
                sectArray[index++] = arr1[i];
            }
        }
    }
    return sectArray;
}

int main()
{
    int m = 4, n = 5;

    int* arr1 = new int [m] { 1, 2, 7, 5 };
    int* arr2 = new int [n] { 2, 1, 3, 5, 0, 8 };

    int* sectArray = section(arr1, m, arr2, n);

    for (int i = 0; i < 3; i++)
    {
        cout << sectArray[i] << " ";
    }
}